Baffle, acoustic  --  1. General expression for wall, board or enclosure. 2. Any partition, designed to be an acoustic obstruction to the passage of sound waves. 3. A partition or enclosure in a speaker cabinet that increases the length of the air path from the front to the rear radiating surfaces of the speaker. The purpose of the baffle is primarily to separate the front and back radiations from the cone or diaphragm which would otherwise cancel each other.

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